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#include <bits/stdc++.h>
#include <unistd.h>

#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define FORD(i, a, b) for(int i = (a); i >= (b); --i)
#define VAR(v, i) __typeof(i) v=(i)
#define FORE(i, c) for(VAR(i, (c).begin()); i != (c).end(); ++i)
#define all(v) (v).begin(),(v).end()

#define PII pair<int,int>
#define mp make_pair
#define st first
#define nd second
#define pb push_back
#define lint long long int
#define VI vector<int>

#define debug(x) {cout <<#x <<" = " <<x <<endl; }
#define debug2(x,y) {cerr <<#x <<" = " <<x << ", "<<#y<<" = "<< y <<endl; } 
#define debug3(x,y,z) {cerr <<#x <<" = " <<x << ", "<<#y<<" = "<< y << ", " << #z << " = " << z <<endl; } 
#define debugv(x) {{cout <<#x <<" = "; FORE(itt, (x)) cerr <<*itt <<", "; cerr <<endl; }}
#define debugt(t,n) {{cerr <<#t <<" = "; FOR(it,0,(n)) cerr <<t[it] <<", "; cerr <<endl; }}

#define make( x) int (x); scanf("%d",&(x));
#define make2( x, y) int (x), (y); scanf("%d%d",&(x),&(y));
#define make3(x, y, z) int (x), (y), (z); scanf("%d%d%d",&(x),&(y),&(z));
#define make4(x, y, z, t) int (x), (y), (z), (t); scanf("%d%d%d%d",&(x),&(y),&(z),&(t));
#define makev(v,n) VI (v); FOR(i,0,(n)) { make(a); (v).pb(a);} 
#define IOS ios_base::sync_with_stdio(0)
#define HEAP priority_queue

#define read( x) scanf("%d",&(x));
#define read2( x, y) scanf("%d%d",&(x),&(y));
#define read3(x, y, z) scanf("%d%d%d",&(x),&(y),&(z));
#define read4(x, y, z, t) scanf("%d%d%d%d",&(x),&(y),&(z),&(t));
#define readv(v,n) FOR(i,0,(n)) { make(a); (v).pb(a);}
#define jeb() fflush(stdout);

using namespace std;
int n, k, p;

int dobre[1005][12];
int zle[1005][12];
int newton[1005][1005];

int f[1005][12]; // brzegowe
int g[1005][12]; // jeden brzeg
int h[1005][12]; // calosc


int main () {
	read3(n, k, p);
	if (k > 10) {
		printf("0\n");
		return 0;
	}
	dobre[1][0] = 0;
	zle[1][0] = 1;

	FOR(i,0,n+1) newton[i][0] = newton[i][i] = 1;
	FOR(i,2,n) FOR(j,1,n-1) {
		newton[i][j] = (newton[i-1][j] + newton[i-1][j-1]);
		if (newton[i][j] >= p) newton[i][j] -= p;
	}
	
	f[2][1] = 1;
	FOR(a,3,n+1) {
		for (int b = 2, c = a-1; c >= 2; b++, c--) {
			int nt = newton[a-3][b-2];
			int prefb = 0, prefc = 0;
			for (int j = 1; j <= k; j++) {
				f[a][j] += ((nt * 1LL * f[b][j-1]) % p * 1LL * f[c][j-1])%p;
				if (f[a][j] >= p) f[a][j] -= p;
				
				f[a][j] += ((nt * 1LL * prefb) % p * 1LL * f[c][j])%p;
				if (f[a][j] >= p) f[a][j] -= p;

				f[a][j] += ((nt * 1LL * prefc) % p * 1LL * f[b][j])%p;
				if (f[a][j] >= p) f[a][j] -= p;

				prefb = (prefb + f[b][j])%p;
				prefc = (prefc + f[c][j])%p;
			}
		}
	}

	g[1][0] = 1;
	g[2][1] = 1;
	FOR(a, 3, n+1) {
		for (int b = 2, c = a+1-b; c>=2; b++,c--) {
			int nt = newton[a-2][b-1];
			int prefb = 0, prefc = 0;
			for (int j = 1; j <= k; j++) {
				g[a][j] += ((nt * 1LL * g[b][j]) % p * 1LL * f[c][j])%p;
				if (g[a][j] >= p) g[a][j] -= p;
				
				g[a][j] += ((nt * 1LL * prefb) % p * 1LL * f[c][j])%p;
				if (g[a][j] >= p) g[a][j] -= p;

				g[a][j] += ((nt * 1LL * prefc) % p * 1LL * g[b][j])%p;
				if (g[a][j] >= p) g[a][j] -= p;
			
				prefb = (prefb + g[b][j])%p;
				prefc = (prefc + f[c][j])%p;
			}
		}
		FOR(j,1,k+1) {
			g[a][j] += f[a][j];
			if (g[a][j] >= p) g[a][j] -= p;
		}
	}

	h[1][0] = 1;
	h[2][1] = 2;

	FOR(a, 3, n+1) {
		for (int b = 2, c = a+1-b; c>=2; b++,c--) {
			int nt = newton[a-1][b-1];
			int prefb = 0, prefc = 0;
			for (int j = 1; j <= k; j++) {
				h[a][j] += ((nt * 1LL * g[b][j]) % p * 1LL * g[c][j])%p;
				if (h[a][j] >= p) h[a][j] -= p;
				
				h[a][j] += ((nt * 1LL * prefb) % p * 1LL * g[c][j])%p;
				if (h[a][j] >= p) h[a][j] -= p;

				h[a][j] += ((nt * 1LL * prefc) % p * 1LL * g[b][j])%p;
				if (h[a][j] >= p) h[a][j] -= p;
			
				prefb = (prefb + g[b][j])%p;
				prefc = (prefc + g[c][j])%p;
			}
		}
		FOR(j,1,k+1) {
			h[a][j] += g[a][j];
			if (h[a][j] >= p) h[a][j] -= p;
			h[a][j] += g[a][j];
			if (h[a][j] >= p) h[a][j] -= p;
		}
	}
	printf("%d\n", h[n][k]);	

}